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2025-12-26 - 11:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Fri Dec 26, 2025 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750630,0irq/25-eth00-21swapper/319:05:223
112750590,0irq/25-eth00-21swapper/119:05:441
120750570,0irq/27-eth1-tx-0-21swapper/219:07:482
2148624725,0sleep00-21swapper/019:08:070
21704991918,0cyclictest0-21swapper/023:40:170
2170499151,0cyclictest0-21swapper/023:10:400
351140,0ktimersoftd/30-21swapper/322:41:323
21707991413,0cyclictest0-21swapper/323:12:183
21706991413,0cyclictest0-21swapper/200:25:162
21707991312,0cyclictest0-21swapper/322:15:443
21707991312,0cyclictest0-21swapper/322:15:443
2170799130,0cyclictest0-21swapper/323:44:513
2170799130,0cyclictest0-21swapper/323:22:103
21706991312,0cyclictest26349-21sshd21:31:162
21706991312,0cyclictest0-21swapper/223:46:572
21706991312,0cyclictest0-21swapper/200:23:052
2170699130,0cyclictest0-21swapper/222:09:502
21705991312,0cyclictest0-21swapper/122:09:321
21704991312,0cyclictest0-21swapper/000:00:370
21704991311,0cyclictest0-21swapper/021:15:320
2170499130,0cyclictest30627-21sshd21:32:360
2170499130,0cyclictest0-21swapper/000:21:450
351120,0ktimersoftd/30-21swapper/323:54:003
21707991211,0cyclictest0-21swapper/323:57:373
21707991211,0cyclictest0-21swapper/300:18:183
21707991210,0cyclictest0-21swapper/322:49:463
2170799120,0cyclictest0-21swapper/323:00:553
2170799120,0cyclictest0-21swapper/320:00:153
2170799120,0cyclictest0-21swapper/300:33:313
21706991211,0cyclictest0-21swapper/222:14:152
21706991211,0cyclictest0-21swapper/200:12:172
21706991210,0cyclictest0-21swapper/223:40:342
21706991210,0cyclictest0-21swapper/222:58:242
2170699120,0cyclictest0-21swapper/223:17:542
2170699120,0cyclictest0-21swapper/222:16:272
2170699120,0cyclictest0-21swapper/222:16:272
2170699120,0cyclictest0-21swapper/221:58:202
2170699120,0cyclictest0-21swapper/219:50:192
21705991211,0cyclictest2928-21sshd23:50:221
21705991211,0cyclictest0-21swapper/123:33:251
21705991210,0cyclictest0-21swapper/122:20:351
21705991210,0cyclictest0-21swapper/121:17:441
2170599120,0cyclictest7038-21sshd23:05:321
2170599120,0cyclictest0-21swapper/123:25:171
2170599120,0cyclictest0-21swapper/121:34:481
2170599120,0cyclictest0-21swapper/121:27:501
2170599120,0cyclictest0-21swapper/100:19:521
21704991212,0cyclictest0-21swapper/021:29:000
21704991211,0cyclictest0-21swapper/021:35:580
21704991211,0cyclictest0-21swapper/000:37:120
21704991211,0cyclictest0-21swapper/000:06:450
21704991210,0cyclictest0-21swapper/021:52:210
21704991210,0cyclictest0-21swapper/021:52:210
21704991210,0cyclictest0-21swapper/021:47:430
21704991210,0cyclictest0-21swapper/000:17:190
2170499120,0cyclictest0-21swapper/023:45:370
2170499120,0cyclictest0-21swapper/022:45:270
2170499120,0cyclictest0-21swapper/022:33:140
112750120,0irq/25-eth00-21swapper/123:55:511
112750120,0irq/25-eth00-21swapper/122:49:031
351110,0ktimersoftd/30-21swapper/321:49:363
21707991111,0cyclictest0-21swapper/321:27:523
21707991111,0cyclictest0-21swapper/321:24:303
21707991111,0cyclictest0-21swapper/321:14:383
21707991110,0cyclictest1944-21bash00:36:213
21707991110,0cyclictest0-21swapper/322:55:143
21707991110,0cyclictest0-21swapper/321:40:113
21707991110,0cyclictest0-21swapper/300:03:463
2170799110,0cyclictest0-21swapper/322:36:043
2170799110,0cyclictest0-21swapper/320:40:293
2170799110,0cyclictest0-21swapper/319:57:293
2170699119,0cyclictest0-21swapper/219:36:232
21706991111,0cyclictest0-21swapper/222:32:232
21706991111,0cyclictest0-21swapper/222:20:522
21706991111,0cyclictest0-21swapper/221:20:552
21706991111,0cyclictest0-21swapper/221:17:332
21706991110,0cyclictest0-21swapper/223:28:002
21706991110,0cyclictest0-21swapper/223:06:042
2170699110,0cyclictest0-21swapper/223:32:122
2170699110,0cyclictest0-21swapper/221:10:162
2170699110,0cyclictest0-21swapper/220:02:382
21705991111,0cyclictest0-21swapper/123:03:331
21705991111,0cyclictest0-21swapper/122:50:261
21705991111,0cyclictest0-21swapper/122:18:221
21705991111,0cyclictest0-21swapper/122:18:221
21705991111,0cyclictest0-21swapper/122:04:531
21705991111,0cyclictest0-21swapper/119:41:191
21705991111,0cyclictest0-21swapper/100:11:181
21705991110,0cyclictest0-21swapper/122:34:171
21705991110,0cyclictest0-21swapper/121:11:131
21705991110,0cyclictest0-21swapper/120:51:151
21705991110,0cyclictest0-21swapper/120:09:591
2170599110,0cyclictest0-21swapper/120:58:131
2170599110,0cyclictest0-21swapper/120:33:281
2170499117,0cyclictest0-21swapper/023:15:160
21704991111,0cyclictest0-21swapper/023:28:390
21704991111,0cyclictest0-21swapper/023:20:320
21704991110,0cyclictest0-21swapper/023:04:430
21704991110,0cyclictest0-21swapper/000:32:470
21704991110,0cyclictest0-21swapper/000:10:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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